Its my first web application building with jsp , jstl using ajax as to make music player play throughout the site. i have many ajax req in single page . when i click on that its works all fine but when ever i refresh it takes me to blank content page in this code "Djpage.jsp" with out any content as requested in ajax i know as for url it will show but i researched a lot and tried but its not working and when i click button it does not respond only url is changed .